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State the Right-hand clasp rule....

State the Right-hand clasp rule.

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If a straight conductor carrying current is imagined to be held in the right hand with the thumb pointing the direction of current, then the four fingers clasping the conductor show the direction of the magnetic field.
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SUBHASH PUBLICATION-MOVING CHARGES AND MAGNETISM-TWO MARKS QUESTIONS WITH ANSWERS
  1. State the Right-hand clasp rule.

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  2. What is meant by 'magnetic dipole moment' of current loop? Write its S...

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  3. Compare the ratio of magnetic field produced at the centre of a circul...

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  4. Explain the mechanical effect produced by an electric current.

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  5. Give any two differences between an ammeter and a voltmeter.

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  6. What is the nature of force between two parallel wires carrying curren...

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  7. Why should the effective resistance of an ideal ammeter be zero and th...

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  8. Write the expression for the torque on a current loop placed in a unif...

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  9. Write the expression for the magnetic field at a point on the axis of ...

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  10. Give the expression for Lorentz force acting on a moving electric char...

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  11. An electron in an electric field is made static and prevented from fal...

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  12. What is the cause for the helical motion of a charged particle in a ma...

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  13. What is meant by the pitch of a charged particle describe a helical pa...

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  14. Give the direction of current passing through an open surface.

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  15. State Ampere's circuital law and represent it mathematically.

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  16. Write the equation for the force between the two parallel straight wir...

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  17. Give the direction of the magnetic field due to a current carrying cir...

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  18. Can a current carrying circular loop act as a magnetic dipole? Give th...

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  19. Give an analogy for the torques experienced by an electric dipole and ...

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  20. Write the expression for the magnetic moment due to an electron circul...

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